5320 Olive Hill Trl, Bonsall, CA 92003

Luxury Live Auction! Bidding to start from $3,300,000! This luxury dual-parcel estate seamlessly integrates a 6,000+ sq. ft. Mediterranean-inspired mountaintop residence, a guest home, full equestrian infrastructure, and productive agricultural acreage, including established avocado orchards and a vineyard of select varietals (Cabernet Sauvignon, Petite Syrah, Primitivo/Zinfandel). Elevated to capture panoramic mountain and valley vistas, the estate also features an infinity-edge pool, expansive terraces for entertaining, dual gated entrances, and cross-fenced pastures. The adjoining 10.55-acre parcel provides independent road access, additional residential flexibility, and agricultural productivity, offering income potential, agricultural tax advantages, and the capacity for long-term legacy expansion. Together, the parcels create a contiguous estate that supports: Private luxury residence with panoramic views Equestrian operations with full facilities Agricultural production with income and estate-scale potential Generational landholding with expansion options Opportunities to acquire contiguous estates of this scale and configuration in coastal Southern California are exceptionally rare. Hidden Ridge Ranch offers not just a home, but a strategic, enduring landholding—an estate capable of supporting lifestyle enjoyment, agricultural productivity, and multi-generational stewardship within one of the region’s most desirable microclimates. Offered for sale at Harcourts Luxury Auction on March 26th. Historical photos online